15 results
Antiarrhythmic Medications - Vaughan Williams Classification - Summary Table
Class I agents - Sodium Channel Blockers⠀
Class II
Vaughan Williams Classification ... - Summary Table ... III agents - Potassium ... #Medications #Classification ... #Summary #Table
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... treated with IV potassium ... wasting from other causes ... suggests extra-renal causes ... #differential #potassium
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... repolarization; changes ... repolarization causes ... in conduction causes ... #Progression #Table
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... Channel Blockers ... 3 - Potassium Channel ... #Pharmacology #Classification ... #Classes #pathophysiology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI Losses ... Ureterosigmoidostomy Urinary Losses ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... : CLASS 1 - Sodium ... 3 - Potassium Channel ... #Pharmacology #Classification ... #Classes #pathophysiology
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS Evaluation ... Diamond-Forrester classification ... Ask about: - Changes ... physical activity - Nausea ... ChestPain #ACS #Evaluation
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
Algorithm for the ... evaluation of macrocytic ... the most likely cause ... recovery also causes ... possible neuropathic changes
Hepatic Encephalopathy - Diagnosis and Management Summary
Definition:
 • Alteration in brain function manifested by neuropsychiatric symptoms
rule out other causes ... Altered sleep, Shortened ... apathy, Personality change ... can be used in cases ... Encephalopathy #Grading #Classification
Evaluation and Management of Hypokalemia

Hypokalemia is often asymptomatic. Evaluation begins with a search for warning signs
Evaluation begins ... palpitations, changes ... Most cases of hypokalemia-induced ... depletion impedes potassium ... #Algorithm